<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			/* 仅在chrome下支持 */
			img{
				content: url(../img/1.jpg);
			}
		</style>
	</head>
	<body>
		<img>
	</body>
</html>
